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root-cause-tracing

Trace defects from deep execution paths back to their original trigger.

1|Updated Jan 10, 2026
Search Tags:#testing#debugging#tracing#instrumentation#root-cause#stack-trace
One-click install
npx skills add https://github.com/tuantiensiu/todo-app --skill root-cause-tracing-tuantiensiu
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: root-cause-tracing
Source: https://github.com/tuantiensiu/todo-app/tree/main/.opencode/skill/root-cause-tracing
Command: npx skills add https://github.com/tuantiensiu/todo-app --skill root-cause-tracing-tuantiensiu

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Trace defects from deep execution paths back to their original trigger. Your instinct is to fix where the error appears, but the goal is to trace to the root cause.

Core Features & Use Cases

  • Backward call-stack tracing to identify original trigger.
  • Instrumentation guidance to expose data flow and edge cases.
  • Use Case: Diagnose a bug where a failure occurs deep in the stack and correct it at the source to prevent regression.

Quick Start

Follow the guide to instrument your code and run targeted tests to trace the root cause from symptom to source.

Frequently Asked Questions about root-cause-tracing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I trace a bug from a deep stack trace back to its original trigger?▼

Backward tracing of a stack trace locates the original trigger of a defect by following data flow across nested function calls to the source. It enforces evidence-driven validation to fix the root cause and prevent regression.

What is the best way to debug errors that appear inside nested function calls with unclear sources?▼

Debugging nested function calls requires an evidence-driven process combining stack trace collection and backward tracing. This method exposes data flow and invalid state across modules to pinpoint the original trigger.

How do I use instrumentation to expose edge cases during root cause tracing?▼

Instrumentation guidance exposes data flow and edge cases by inserting targeted checks into your execution paths. This collected evidence validates assumptions and traces invalid state backward through modules to the defect source.

Why should I trace the root cause of a bug instead of fixing where the error appears?▼

Tracing the root cause prevents future regressions by correcting the invalid state at its original trigger. Fixing only where the error appears in the stack trace leaves the underlying data flow issue unresolved.

Can I use test-driven validation to verify a fix found through backward call-stack tracing?▼

Test-driven validation confirms the fix by running targeted tests against the traced original trigger. This layered safeguard ensures the nested execution path no longer produces the invalid state or regression.

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